Advanced Bluetooth 5.2 Technology: Equipped with the upgraded technology, the ear hook can provide faster one-step pairing connection speed, more stable transmission, lower power consumption and ultra-low latency listening experience than Bluetooth 5.0. AAC Audio Decoding Transmission: AAC HD audio decoding provides higher quality audio transmission and excellent sound quality, beautifully presenting every detail of sound. Long Battery Life: The built-in 50mAh battery capacity can support 6-8 hours of playing time, while the charging box battery capacity is 800mA and can support 8-10 times of fully charging. Ergonomic and Light Weight Design: The structure is optimized according to the ear contour, and a single earhook weighs only 4.5g and will not easily fall off during exercise, providing a comfortable and stable wearing experience. Convenient Game Mode: When you are ready to enter the game, press the button on the ear hook three times to activate the high-performance game mode, under which the sound signal is transmitted faster so you can perform better in the game.